<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { onMounted, ref } from 'vue'
import { getArticleCategoryAPI, addArticleCategoryAPI, updateArticleCategoryAPI, deleteArticleCategoryAPI } from '@/api/article'
import { ElMessage } from 'element-plus'

const categorys = ref([])

// 获取文章分类数据
const getArticleCategory = async () => {
    let res = await getArticleCategoryAPI()
    categorys.value = res.data
}

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
    categoryName: '',
    categoryAlias: ''
})
//添加分类表单校验
const rules = {
    categoryName: [
        { required: true, message: '请输入分类名称', trigger: 'blur' },
    ],
    categoryAlias: [
        { required: true, message: '请输入分类别名', trigger: 'blur' },
    ]
}

// 添加分类，调用接口
const addCategory = async () => {
    // 调用接口
    let res = await addArticleCategoryAPI(categoryModel.value)
    ElMessage.success(res.message ? res.message : '添加分类成功')
    // 添加成功后，关闭弹窗，并重新获取文章分类数据
    dialogVisible.value = false
    getArticleCategory()
}

// 定义弹窗标题，控制标题
const dialogTitle = ref('添加分类')

// 显示编辑分类弹窗
const editCategory = (row) => {
    dialogVisible.value = true
    dialogTitle.value = '编辑分类'
    // 数据拷贝
    categoryModel.value.categoryName = row.categoryName
    categoryModel.value.categoryAlias = row.categoryAlias
    // 扩展id属性，将来提交给接口时，需要携带id
    categoryModel.value.id = row.id
}

// 分类弹窗，确认按钮绑定【编辑接口】
const updateCategory = async () => {
    // 调用接口
    let res = await updateArticleCategoryAPI(categoryModel.value)
    ElMessage.success(res.message ? res.message : '编辑分类成功')
    // 添加成功后，关闭弹窗，并重新获取文章分类数据
    dialogVisible.value = false
    getArticleCategory()
}

// 清空表单数据
const clearCategoryModel = () => {
    categoryModel.value.categoryName = ''
    categoryModel.value.categoryAlias = ''
}

// 删除分类，调用接口
const deleteCategory = (row) => {
    // 删除分类，调用接口
    ElMessageBox.confirm(
        '你确认要删除该分类吗?',
        '温馨提示',
        {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning',
        }
    )
        .then(async () => {
            // 调用接口
            let res = await deleteArticleCategoryAPI(row.id)

            ElMessage({
                type: 'success',
                message: '删除成功',
            })
            // 删除成功后，重新获取文章分类数据
            getArticleCategory()
        })
        .catch(() => {
            ElMessage({
                type: 'info',
                message: '删除已取消',
            })
        })
}


onMounted(() => {
    getArticleCategory()
})
</script>

<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary"
                        @click="dialogVisible = true; dialogTitle = '添加分类'; clearCategoryModel()">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="editCategory(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>

        <!-- 添加分类弹窗 -->
        <el-dialog v-model="dialogVisible" :title="dialogTitle" width="30%">
            <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
                <el-form-item label="分类名称" prop="categoryName">
                    <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
                </el-form-item>
                <el-form-item label="分类别名" prop="categoryAlias">
                    <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
                </el-form-item>
            </el-form>
            <template #footer>
                <span class="dialog-footer">
                    <el-button @click="dialogVisible = false">取消</el-button>
                    <el-button type="primary" @click="dialogTitle == '添加分类' ? addCategory() : updateCategory()"> 确认
                    </el-button>
                </span>
            </template>
        </el-dialog>

    </el-card>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>